<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="getAndCourses">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">课程营销</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">课程图片</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">课程上线</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">课程下线</el-button>
				</el-form-item>
			</el-form>
		</el-col>



		<!--列表-->
		<el-table :data="courses" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="name" label="课程名称" width="120" >
			</el-table-column>
			<el-table-column prop="grade" label="等级" width="120" >
			</el-table-column>
			<el-table-column prop="courseType.name" label="类型" width="100"  >
			</el-table-column>
			<el-table-column prop="tenantName" label="租户" width="100" >
			</el-table-column>
			<el-table-column prop="userName" label="创建人" width="100" >
			</el-table-column>
			<el-table-column prop="statu" label="状态" min-width="60" >
				<template scope="scope">
					<span v-if="scope.row.status==1" style="color: green">上线</span>
					<span v-else style="color: red">下线</span>
				</template>
			</el-table-column>
			<el-table-column prop="startTime" label="上线时间" :formatter="formatStartTime"  min-width="100" >
			</el-table-column>
			<el-table-column prop="endTime" label="下线时间" :formatter="formatEndTime" min-width="100" >
			</el-table-column>
			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :page-size="pageSize" :total="total" style="float:right;">
			</el-pagination>
		</el-col>

		<!--编辑界面-->
		<el-dialog title="编辑" v-model="editFormVisible" :close-on-click-modal="false">
			<el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
				<el-form-item label="课程名称" prop="name">
					<el-input v-model="editForm.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="性别">
					<el-radio-group v-model="editForm.sex">
						<el-radio class="radio" :label="1">男</el-radio>
						<el-radio class="radio" :label="0">女</el-radio>
					</el-radio-group>
				</el-form-item>
				<el-form-item label="年龄">
					<el-input-number v-model="editForm.age" :min="0" :max="200"></el-input-number>
				</el-form-item>
				<el-form-item label="生日">
					<el-date-picker type="date" placeholder="选择日期" v-model="editForm.birth"></el-date-picker>
				</el-form-item>
				<el-form-item label="地址">
					<el-input type="textarea" v-model="editForm.addr"></el-input>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="editFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
			</div>
		</el-dialog>

		<!--新增界面-->
		<el-dialog title="新增" :visible.sync="addFormVisible" :close-on-click-modal="false">
			<el-form :model="addForm" label-width="80px" :rules="addFormRules" ref="addForm">
				<el-form-item label="课程名称" prop="name">
					<el-input v-model="addForm.name" auto-complete="off" placeholder="请输入课程名称"></el-input>
				</el-form-item>
				<el-form-item label="适用人群">
					<el-input v-model="addForm.users" auto-complete="off" placeholder="请输入适用人群"></el-input>
				</el-form-item>
				<el-form-item label="课程类型">
					<!--<el-input v-model="addForm.courseTypeId" auto-complete="off" placeholder="请选择课程类型"></el-input>-->
					<el-cascader
					:props="courseTypesprop"
					v-model="addForm.courseTypeId"
					:options="courseTypes"
					@chang="">
					</el-cascader>
				</el-form-item>
				<el-form-item label="课程等级">
					<!--<el-input v-model="addForm.grade" auto-complete="off" ></el-input>-->
					<el-radio v-for="grade in grades" v-model="addForm.grade"  :label="grade.id">{{grade.name}}</el-radio>
				</el-form-item>
				<el-form-item label="课程描述">
					<el-input v-model="addForm.description" auto-complete="off" placeholder="请输入课程描述"></el-input>
				</el-form-item>
				<el-form-item label="课程简介">
					<!--<el-input v-model="addForm.intro" auto-complete="off" placeholder="请输入课程简介"></el-input>-->
					<quill-editor v-model="addForm.intro">
					</quill-editor>

				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="addFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="addSubmit" :loading="addLoading">提交</el-button>
			</div>
		</el-dialog>
	</section>
</template>

<script>
    import util from '../../common/js/util'
    import { getCourseListPage, removeCourse, batchRemoveCourse, editCourse, addCourse } from '../../api/api';
    import { quillEditor } from 'vue-quill-editor'
    import 'quill/dist/quill.snow.css' // 富文本编辑器外部引用样式  三种样式三选一引入即可



    export default {
        components: {
            quillEditor
        },
        data() {
			return {
			    grades:[],
                courseTypesprop:{children:'children',label:'name',value:'id'},
			    courseTypes:[],
				filters: {
					keywrod: ''
				},
				courses: [],
				total: 0,
				pageSize:10,
				page: 1,
				listLoading: false,
				sels: [],//列表选中列

				editFormVisible: false,//编辑界面是否显示
				editLoading: false,
				editFormRules: {
					name: [
						{ required: true, message: '请输入课程名称', trigger: 'blur' }
					]
				},
				//编辑界面数据
				editForm: {
					id: 0,
					name: '',
					sex: -1,
					age: 0,
					birth: '',
					addr: ''
				},

				addFormVisible: false,//新增界面是否显示
				addLoading: false,
				addFormRules: {
					name: [
						{ required: true, message: '请输入课程名称', trigger: 'blur' }
					]
				},
				//新增界面数据
				addForm: {
					name: '',
                    users:'',
                    grade: null,
                    courseTypeId:null,
					intro: '',
                    gradeName: '',
                    description:'',
				}

			}
		},
		methods: {
		    	//获取所有课程等级
				getgrades(){
				  this.$http.get("system/systemdictionary/getGrades").
					  then(res=>{
						this.grades=res.data;
				  });
				},
		    	//将课程类型树的最后一级children属性设为undefined，解决最后一级为无数据的多于显示
				getTreeData(data){
				for(var i=0;i<data.length;i++){
					if(data[i].children.length<1){
						// children若为空数组，则将children设为undefined
						data[i].children=undefined;
					}else {
						// children若不为空数组，则继续 递归调用 本方法
						this.getTreeData(data[i].children);
					}
				}
				return data;
				},
		    //获取课程类型树
			getCrouseTypes(){
			    this.$http.get("course/courseType/typeTree").then(res=>{
				this.courseTypes=this.getTreeData(res.data);
				})
			},
		    //获取高级查询数据
            getAndCourses () {
                this.page=1;
                this.getCourses();
            },
			//上线时间显示转换
			formatStartTime: function (row, column) {
			    if (!row.startTime){
			        return null;
				}
                let date = new Date(row.startTime);
                let y = date.getFullYear();
                let MM = date.getMonth() + 1;
                MM = MM < 10 ? ('0' + MM) : MM;
                let d = date.getDate();
                d = d < 10 ? ('0' + d) : d;
                let h = date.getHours();
                h = h < 10 ? ('0' + h) : h;
                let m = date.getMinutes();
                m = m < 10 ? ('0' + m) : m;
                let s = date.getSeconds();
                s = s < 10 ? ('0' + s) : s;
                return y + '-' + MM + '-' + d + ' ' + h + ':' + m + ':' + s;
			},
			handleCurrentChange(val) {
				this.page = val;
				this.getCourses();
			},//上线时间显示转换
            formatEndTime: function (row, column) {
                if (!row.endTime){
                    return null;
                }
                let date = new Date(row.endTime);
                let y = date.getFullYear();
                let MM = date.getMonth() + 1;
                MM = MM < 10 ? ('0' + MM) : MM;
                let d = date.getDate();
                d = d < 10 ? ('0' + d) : d;
                let h = date.getHours();
                h = h < 10 ? ('0' + h) : h;
                let m = date.getMinutes();
                m = m < 10 ? ('0' + m) : m;
                let s = date.getSeconds();
                s = s < 10 ? ('0' + s) : s;
                return y + '-' + MM + '-' + d + ' ' + h + ':' + m + ':' + s;
            },
            handleCurrentChange(val) {
                this.page = val;
                this.getCourses();
            },
			//获取课程列表
			getCourses() {
				let para = {
					page: this.page,
					// name: this.filters.name,
                    rows:this.pageSize,
					keyword:this.filters.keyword
				};
				this.listLoading = true;
				//NProgress.start();
				this.$http.post("course/course/pagelist",para).then((res) => {
				    let{rows,total}=res.data;
					this.total = total;
					this.courses = rows;
					this.listLoading = false;
					//NProgress.done();
				});
			},
			//删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					//NProgress.start();
					let para = { id: row.id };
					this.$http.delete("course/course/"+row.id).then((res) => {
						this.listLoading = false;
						//NProgress.done();
						this.$message({
							message: '删除成功',
							type: 'success'
						});
						this.getCourses();
					});
				}).catch(() => {

				});
			},
			//显示编辑界面
			handleEdit: function (index, row) {
				this.editFormVisible = true;
				this.editForm = Object.assign({}, row);
			},
			//显示新增界面
			handleAdd: function () {
				this.addFormVisible = true;
				this.addForm = {

				};
			},
			//编辑
			editSubmit: function () {
				this.$refs.editForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.editLoading = true;
							//NProgress.start();
							let para = Object.assign({}, this.editForm);
							para.birth = (!para.birth || para.birth == '') ? '' : util.formatDate.format(new Date(para.birth), 'yyyy-MM-dd');
							editCourse(para).then((res) => {
								this.editLoading = false;
								//NProgress.done();
								this.$message({
									message: '提交成功',
									type: 'success'
								});
								this.$refs['editForm'].resetFields();
								this.editFormVisible = false;
								this.getCourses();
							});
						});
					}
				});
			},
			//新增
			addSubmit: function () {
				this.$refs.addForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.addLoading = true;
							//NProgress.start();
							let para = Object.assign({}, this.addForm);
							para.courseTypeId=para.courseTypeId[para.courseTypeId.length-1];
							this.$http.post("course/course/save",para).
							then((res) => {
								this.addLoading = false;
                                let{success,message}=res.data;
								if(success){
                                    this.$message({
                                        message: '提交成功',
                                        type: 'success'
                                    });
                                    this.$refs['addForm'].resetFields();
                                    this.addFormVisible = false;
                                    this.page=1;
                                    this.getCourses();
								}else {
                                    this.$message({
                                        message: '提交失败',
                                        type: 'error'
                                    });
                                }
							});
						});
					}
				});
			},
			selsChange: function (sels) {
				this.sels = sels;
			},
			//批量删除
			batchRemove: function () {
				var ids = this.sels.map(item => item.id).toString();
				this.$confirm('确认删除选中记录吗？', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					//NProgress.start();
					let para = { ids: ids };
					batchRemoveCourse(para).then((res) => {
						this.listLoading = false;
						//NProgress.done();
						this.$message({
							message: '删除成功',
							type: 'success'
						});
						this.getCourses();
					});
				}).catch(() => {

				});
			}
		},
		mounted() {
			this.getCourses();
			this.getCrouseTypes();
			this.getgrades();
		}
	}

</script>

<style scoped>

</style>
